Energy System
Energy is the most fundamental resource in Silent Expanse: Strife. Almost every operation — upgrades, attacks, movement, and repairs — requires energy.
Earning Energy
1. Energy Collector (Passive Output)
Collection Rate = 3 + 10 × √(collector level - 1) energy/s
For each player you invited, the rate increases further.
Collector Durability: The collector loses 1 durability per second.
| Collector Level | Output per Second | Max Collector Durability |
|---|---|---|
| Lv 1 | 3 | 1 day |
| Lv 10 | ~33 | 1 day + 18 hours |
| Lv 50 | ~73 | 1 day + 4 days |
| Lv 100 | ~103 | 1 day + 8.3 days |
⚠️ When collector durability runs out, production stops. You need to repair it for collection to resume.
2. Combat Plunder
After winning a battle against another civilization, you plunder a portion of their energy:
Plunder Ratio = 5% + weapon level × 0.5%
Plundered energy goes into a pending pool (pendingCombatEnergy), which you must manually claim.
3. Invite Rewards
For each new player you successfully invite (they enter your address when creating their civilization):
- You receive 150 energy
- The invitee receives 150 energy
4. Energy Market
See Energy Market.
Spending Energy
| Use Case | Cost |
|---|---|
| Daily Upkeep | 2,000 × total level / day |
| System Upgrades | Anchor Formula (see Civilization guide) |
| Attack | 50,000 + 50,000 × weapon level |
| Space Jump | 200,000 + 200,000 × √(jump count), cap 16.5M |
| Repair Collector | 1 energy / second |
| Repair Weapon | 3 energy / point |
| Repair Shield | 4 energy / point |
| Repair Engine | 5 energy / point |
| Shield Regen | regen amount × 1 (auto regen) |
| Shield Repair | repair amount × 4 (manual repair) |
| Alliance Shield Assist | repair amount × 1 (paid by ally) |
| Totem Donation | Custom amount |
| Rebuild | Base 500,000, increases with rebirth count |
Energy Management
Daily Upkeep
Upkeep is deducted proportionally over time whenever you perform any action:
Current Upkeep = 2,000 × total level × (time since last action / 86400)
Reserved Energy
Energy placed in sell orders on the energy market is locked (energyReserved). Upkeep stops being deducted once energy - reserved reaches zero.
Tips
- Keep energy > 1 month's upkeep — prevents frequent depletion from routine actions
- Prioritize collector upgrades — a high-level collector is key to passive income
- Calculate costs before attacking — make sure the plunder is worth the investment
- Repair collector durability regularly — avoid collection interruptions
Recommended next step: Alliance System →